The SPID is designed and built

Last updated: March 31, 2020 at 13:54 pm
[ 1964 ] Edward A. Link designs and builds a two-man undersea habitat called the SPID (Submersible, Portable Inflatable Dwelling). Two commercial and military divers (Jon Lindbergh and Robert Stenuit) spend two days inside the SPID breathing a mixed-gas of 97% helium and 3% oxygen during Man-in-the-Sea II.
Sténuit, Robert (1965). Les jours les plus profonds. Plon.

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